{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["discoverer", "vulnerable system", "vulnerable system owner", "common vulnerabilities and exposures", "vulnerability", "capabilities", "vulnerable system version", "supported platform"]}], "input": "Cisco engineers also found CVE -2018-0151 , a remote code execution bug in the QoS subsystem of IOS and IOS XE ."}
{"discover vulnerability": [{"discoverer": "Cisco engineers", "vulnerable system": "the QoS subsystem", "vulnerable system owner": "NAN", "common vulnerabilities and exposures": "CVE -2018-0151", "vulnerability": "a remote code execution bug", "capabilities": "NAN", "vulnerable system version": "NAN", "supported platform": ["IOS", "IOS XE"]}]}